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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>打印九九乘法表</title>
</head>
<body>
<style>
    td{
        border:2px solid ;
    }
</style>
<script>
    document.write("<table align='center'>");

    for (var i = 1; i <= 9 ; i++) {
        document.write("<tr>");

        for (var j = 1; j <=i; j++) {
            document.write("<td>");
          document.write(i+"x"+j+"="+(i*j)+"&nbsp"+"&nbsp"+"&nbsp");
            document.write("</td>");
        }
        document.write("</tr>");
          // document.write("<br>");
    }
</script>
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